Mtroniks digiSOUND504
The digiSOUND504 is a professional 4 x 50W sound module from Mtroniks for larger scale models which features user changeable sounds in the form of a microSD card. The microSD cards will be available with engine sounds from different locomotives that allow you to purchase a number of different sounds that you can then swap and change into your digiSOUND504 sound module.
The digiSOUND504 comes complete with built in amplifier and 4 high quality speakers allowing for very realistic sound reproduction. In fact the sounds are recorded in CD 16bit quality from the origianl locomotive!
The sound module tracks the models PWM signal and produces the sound respective of the models speed.
The option to control two auxilliaries, engine start /stop and a horn are also built into the sound module.
Sounds currently available: Class 08, Class 42, Class 67
Sounds in the pipeline: Class 37, Class 55
Brief specification of the digiSOUND504
- 4 x 28Watts RMS, 4ohms, 0.1% Typical THD (50Watts MAX)
- 4 x 50Watts RMS, 2ohms, 0.25% Typical THD (85Watts MAX)
- Outputprotection circuit built in
- Distortion at 4Watts RMS - Typical 0.006%
- Distortion at 15Watts RMS - Typical 0.015%
- 4 x 50Watt speakers included
- Wiring loom included
Notes on speaker performance.
The speakers included with your module will depend on its power output, however, you should always install your speakers into a suitable enclosure to ensure the best power handling and frequency response.
Speaker systems with a broader frequency response which include tweeters and larger woofers are available as optional extras, please contact Mtroniks for details.


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